Patents by Inventor Ying-Chieh Li

Ying-Chieh Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electronic device with keyboard system and method of detecting key conditions thereof
    Patent number: 7345598
    Abstract: The present invention provides an electronic device and its keyboard system that includes a plurality of keys, a keyboard matrix and a program. The keys include a plurality of first type keys and a plurality of second type keys; the keyboard matrix includes a plurality of keyboard positions. By scanning the keyboard positions, a character or a command typed by a user can be obtained; the program includes a first program code for setting the keyboard matrix to cause a portion of the matrix positions to correspond to the plurality of first type keys, wherein each matrix position corresponding to one first type key, and a second program code for setting another portion of the matrix positions corresponding to the plurality of second type keys, wherein each matrix position corresponding to more than one second type keys.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: March 18, 2008
    Assignee: Wistron Corp.
    Inventor: Ying-Chieh Li
  • Electronic device with keyboard system and method of detecting key conditions thereof
    Publication number: 20060232446
    Abstract: The present invention provides an electronic device and its keyboard system that includes a plurality of keys, a keyboard matrix and a program. The keys include a plurality of first type keys and a plurality of second type keys; the keyboard matrix includes a plurality of keyboard positions. By scanning the keyboard positions, a character or a command typed by a user can be obtained; the program includes a first program code for setting the keyboard matrix to cause a portion of the matrix positions to correspond to the plurality of first type keys, wherein each matrix position corresponding to one first type key, and a second program code for setting another portion of the matrix positions corresponding to the plurality of second type keys, wherein each matrix position corresponding to more than one second type keys.
    Type: Application
    Filed: July 19, 2005
    Publication date: October 19, 2006
    Applicant: Wistron Corporation
    Inventor: Ying-Chieh Li